- const guchar *driver;
- const guchar *transport;
-
- driver = gnome_print_config_get (
- config, (const guchar *)"Settings.Engine.Backend.Driver");
-
- transport = gnome_print_config_get (
- config, (const guchar *)"Settings.Transport.Backend");
-
- if (driver) {
- if (!strcmp ((const gchar *)driver, "gnome-print-ps"))
- return TRUE;
- else
- return FALSE;
- } else if (transport) { /* these transports default to PostScript */
- if (!strcmp ((const gchar *)transport, "CUPS"))
- return TRUE;
- else if (!strcmp ((const gchar *)transport, "LPD"))
- return TRUE;
+ GSList *pixbuf_formats = NULL;
+ GSList *iter;
+ GtkFileFilter *filter;
+ int i;
+
+ filter = gtk_file_filter_new();
+ gtk_file_filter_set_name (filter, _("By extension"));
+ g_object_set_data (G_OBJECT(filter), "pixbuf-format", NULL);
+ gtk_file_chooser_add_filter (chooser, filter);
+
+ pixbuf_formats = gdk_pixbuf_get_formats ();
+
+ for (iter = pixbuf_formats; iter; iter = iter->next) {
+ GdkPixbufFormat *format = iter->data;
+
+ gchar *description, *name, *extensions;
+ gchar **extension_list, **mime_types;
+
+ if (gdk_pixbuf_format_is_disabled (format) ||
+ !gdk_pixbuf_format_is_writable (format))
+ continue;
+
+ name = gdk_pixbuf_format_get_description (format);
+ extension_list = gdk_pixbuf_format_get_extensions (format);
+ extensions = g_strjoinv (", ", extension_list);
+ g_strfreev (extension_list);
+ description = g_strdup_printf ("%s (%s)", name, extensions);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, description);
+ g_object_set_data (G_OBJECT (filter), "pixbuf-format", format);
+ gtk_file_chooser_add_filter (chooser, filter);
+
+ g_free (description);
+ g_free (extensions);
+ g_free (name);
+
+ mime_types = gdk_pixbuf_format_get_mime_types (format);
+ for (i = 0; mime_types[i] != 0; i++)
+ gtk_file_filter_add_mime_type (filter, mime_types[i]);
+ g_strfreev (mime_types);